Open 4K Video Downloader+. Click the green "Paste Link" button. The software will analyze the video. You will see a list of qualities. Look for "4320p (8K)" . If you don't see it, the video wasn't uploaded in 8K.
use these tools to rip music videos, movies, or paid courses to re-upload to other platforms or sell collections of 8K wallpapers. That is copyright infringement and can result in lawsuits. 8k Youtube Video Downloader
However, there is one massive problem: